What happens when a baby is constantly ignored?

We all know how the parents' state of mind affects their children, but maybe we do not know just how much until we see this video.

In the video, we see an experiment that shows how infants suffer from the lack of attention and neglect by the mother or those who are raising them.

Being unable to overcome the stress derived from parental neglect, these infants start developing the typical behavior of abandonment, even after only a few minutes, imagine if the neglect continues for longer periods ...